Determination of Tween-80 CMC in Chinese Herbal Medicine Injections by Ultraviolet Spectrophotometry / 中草药

Ultraviolet spectrophotomety was used to determine Tween-80 critical micell concentration (CMC) in different Chinese herbal medicine injections. Studies on the concentration of iodine solution and wavelength suitable for the determinntion were carried out. This method is quick and accurate and can be used for the quality control of such preparation.